51941988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 158878720

約数和(自身を除く): 106936732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 61, 62, 63, 84, 93, 109, 122, 124, 126, 183, 186, 217, 218, 244, 252, 279, 327, 366, 372, 427, 434, 436, 549, 558, 651, 654, 732, 763, 854, 868, 981, 1098, 1116, 1281, 1302, 1308, 1526, 1708, 1891, 1953, 1962, 2196, 2289, 2562, 2604, 3052, 3379, 3782, 3843, 3906, 3924, 4578, 5124, 5673, 6649, 6758, 6867, 7564, 7686, 7812, 9156, 10137, 11346, 13237, 13298, 13516, 13734, 15372, 17019, 19947, 20274, 22692, 23653, 26474, 26596, 27468, 30411, 34038, 39711, 39894, 40548, 46543, 47306, 52948, 59841, 60822, 68076, 70959, 79422, 79788, 93086, 94612, 119133, 119682, 121644, 139629, 141918, 158844, 186172, 206119, 212877, 238266, 239364, 279258, 283836, 412238, 418887, 425754, 476532, 558516, 618357, 824476, 837774, 851508, 1236714, 1442833, 1675548, 1855071, 2473428, 2885666, 3710142, 4328499, 5771332, 7420284, 8656998, 12985497, 17313996, 25970994, 51941988]

約数ペア:

[(1, 51941988), (2, 25970994), (3, 17313996), (4, 12985497), (6, 8656998), (7, 7420284), (9, 5771332), (12, 4328499), (14, 3710142), (18, 2885666), (21, 2473428), (28, 1855071), (31, 1675548), (36, 1442833), (42, 1236714), (61, 851508), (62, 837774), (63, 824476), (84, 618357), (93, 558516), (109, 476532), (122, 425754), (124, 418887), (126, 412238), (183, 283836), (186, 279258), (217, 239364), (218, 238266), (244, 212877), (252, 206119), (279, 186172), (327, 158844), (366, 141918), (372, 139629), (427, 121644), (434, 119682), (436, 119133), (549, 94612), (558, 93086), (651, 79788), (654, 79422), (732, 70959), (763, 68076), (854, 60822), (868, 59841), (981, 52948), (1098, 47306), (1116, 46543), (1281, 40548), (1302, 39894), (1308, 39711), (1526, 34038), (1708, 30411), (1891, 27468), (1953, 26596), (1962, 26474), (2196, 23653), (2289, 22692), (2562, 20274), (2604, 19947), (3052, 17019), (3379, 15372), (3782, 13734), (3843, 13516), (3906, 13298), (3924, 13237), (4578, 11346), (5124, 10137), (5673, 9156), (6649, 7812), (6758, 7686), (6867, 7564)]